A passenger bus has hit another vehicle inside Frankfurt's international airport, injuring 15 people.
The dpa news agency, citing police, reported that 75 passengers from a Lufthansa flight from Barcelona were on the bus Friday. Three of the injured — the two drivers and one passenger — were seriously hurt.
Frankfurt police did not say what the other vehicle was or what might have caused the collision. The incident occurred near Gate A20 at about 8:50 a.m. (0750 GMT).
Uninjured passengers were taken in other buses to the airport building.